Marcarious A. Mariyampillai, MD
NPI 1790770279ActiveIndividual· Internal Medicine· Verona, NJ
Internal Medicine (MD) with Internal Medicine of Morris County LLC, practicing in Verona, New Jersey. In 2024 Medicare paid $87,628 for 397 patients, and Part D covered 295 of their prescriptions, 88% of them generic. Lists Saint Clare's Hospital/ Denville Campus as a hospital affiliation.
Overview
| NPI | 1790770279 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 12, 2005 |
| Last updated in NPPES | Jun 23, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA06542600 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 397 |
|---|---|
| Services billed | 909 across 10 procedure codes |
| Paid by Medicare | $87,628 |
Part D prescriptions in 2024
| Prescriptions (claims) | 295 · 308 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $18,231 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1975 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Internal Medicine of Morris County LLCDenville, NJ · 78 clinicians
Hospital affiliation
- Saint Clare's Hospital/ Denville CampusDenville, NJ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 internal medicine physicians in Verona · All internal medicine physicians in New Jersey